74 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			Objective-C
		
	
	
	
			
		
		
	
	
			74 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			Objective-C
		
	
	
	
| // RUN: %clang_cc1 -x objective-c -Wno-objc-root-class -fms-extensions -rewrite-objc %s -o %t-rw.cpp
 | |
| // RUN: FileCheck  --input-file=%t-rw.cpp %s
 | |
| // rdar://9846759
 | |
| // rdar://15517895
 | |
| 
 | |
| typedef struct MyWidget {
 | |
|   int a;
 | |
| } MyWidget;
 | |
| 
 | |
| MyWidget gWidget = { 17 };
 | |
| 
 | |
| @protocol MyProto
 | |
| - (MyWidget *)widget;
 | |
| @end
 | |
| 
 | |
| @interface Foo 
 | |
| @end
 | |
| 
 | |
| @interface Bar: Foo <MyProto>
 | |
| @end
 | |
| 
 | |
| @interface Container 
 | |
| + (MyWidget *)elementForView:(Foo *)view;
 | |
| @end
 | |
| 
 | |
| @implementation Foo
 | |
| @end
 | |
| 
 | |
| @implementation Bar
 | |
| - (MyWidget *)widget {
 | |
|   return &gWidget;
 | |
| }
 | |
| @end
 | |
| 
 | |
| @implementation Container
 | |
| + (MyWidget *)elementForView:(Foo *)view
 | |
| {
 | |
|   MyWidget *widget = (void*)0;
 | |
|   if (@protocol(MyProto)) {
 | |
|     widget = [(id <MyProto>)view widget];
 | |
|   }
 | |
|   return widget;
 | |
| }
 | |
| @end
 | |
| 
 | |
| int main(void) {
 | |
|   id view;
 | |
|   MyWidget *w = [Container elementForView: view];
 | |
| 
 | |
|   return 0;
 | |
| }
 | |
| 
 | |
| // rdar://15517895
 | |
| @class NSObject;
 | |
| 
 | |
| @interface NSProtocolChecker
 | |
| + (id)protocolCheckerWithTarget:(NSObject *)anObject protocol:(Protocol *)aProtocol;
 | |
| @end
 | |
| 
 | |
| @protocol NSConnectionVersionedProtocol
 | |
| @end
 | |
| 
 | |
| 
 | |
| @interface NSConnection @end
 | |
| 
 | |
| @implementation NSConnection
 | |
| - (void) Meth {
 | |
|   [NSProtocolChecker protocolCheckerWithTarget:0 protocol:@protocol(NSConnectionVersionedProtocol)];
 | |
| }
 | |
| @end
 | |
| 
 | |
| // CHECK: static struct _protocol_t *_OBJC_PROTOCOL_REFERENCE_$_NSConnectionVersionedProtocol = &_OBJC_PROTOCOL_NSConnectionVersionedProtocol
 | |
| // CHECK: sel_registerName("protocolCheckerWithTarget:protocol:"), (NSObject *)0, (Protocol *)_OBJC_PROTOCOL_REFERENCE_$_NSConnectionVersionedProtocol
 |